package cn.itcast.travel.web.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class CharchaterFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
            HttpServletRequest  request =(HttpServletRequest)servletRequest;
            HttpServletResponse response=(HttpServletResponse)servletResponse;
            String method = request.getMethod();
            if (method.equalsIgnoreCase("post")){
                request.setCharacterEncoding("utf-8");
            }
            response.setContentType("text/html;charset=utf-8");
            filterChain.doFilter(request,response);
    }

    @Override
    public void destroy() {

    }
}
